# adaptive_refinement.jl
# Adaptive refinement functionality for NSEMSolver

"""
    adaptive_refinement!(multidomain::MultiDomain, solution::NSResult) -> Bool

Apply adaptive refinement to the multi-domain based on solution error indicators.
Returns true if refinement was applied, false otherwise.
"""
function adaptive_refinement!(multidomain, solution)
    # Placeholder implementation
    @warn "adaptive_refinement! not fully implemented yet"
    return false
end

"""
    create_refinement_map(n_block::Int, dim::Int, levels::Int=3) -> Array{Int,dim}

Create a refinement level map for adaptive refinement.
"""
function create_refinement_map(n_block::Int, dim::Int, levels::Int=3)
    if dim == 2
        return ones(Int, n_block, n_block)
    elseif dim == 3
        return ones(Int, n_block, n_block, n_block)
    else
        error("Unsupported dimension: $dim")
    end
end